mustafasrepo commented on issue #10018:
URL:
https://github.com/apache/arrow-datafusion/issues/10018#issuecomment-2055657487
I think returning `Cow<PlanProperties>` makes sense. In this way, struct
won't need to implement a new member as you indicated. We might need to update
methods of the below
```
impl ExecutionPlanProperties for Arc<dyn ExecutionPlan> {
fn output_partitioning(&self) -> &Partitioning {
self.properties().output_partitioning()
}
fn execution_mode(&self) -> ExecutionMode {
self.properties().execution_mode()
}
fn output_ordering(&self) -> Option<&[PhysicalSortExpr]> {
self.properties().output_ordering()
}
fn equivalence_properties(&self) -> &EquivalenceProperties {
self.properties().equivalence_properties()
}
}
```
to work with `Cow<PlanProperties>` though.
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